EF_2931 Valyl-tRNA synthetase valS 880 Catalyzes the attachment of valine to tRNA(Val). As ValRS can inadvertently accommodate and process structurally similar amino acids such as threonine, to avoid such errors, it has a "posttransfer" editing activity that hydrolyzes mischarged Thr-tRNA(Val) in a tRNA-dependent manner (By similarity). MSEEKNLPTKYQPTEIEAGRYQKWLDQDLFKPSGDKKAKPYSIVIPPPNVTGKLHLGHAWDTTLQDMIIRQKRMQGFDTLWLPGMDHAGIATQAKVEEKLAQQGISRYDLGREKFVDQVWEWKEEYASHIREQWAKMGLSLDYSRERFTLDEGLSEAVRKVFVSLYEKDLIYRGEYIINWDPKAKTALSDIEVIHKDIEGAFYHMSYPLSDGSGVVEIATTRPETMLGDTAIAVHPEDERYQELIGKTVVLPLVDKEIPIIADDYVDMEFGTGVVKITPAHDPNDFEVGNRHDLPRVNVMNEDGTMNELAGKYEGMDRFAARKAIVSDLKELGRLIKIETMNHSVGHSERTGVVVEPRLSTQWFVKMGPLAEKAMKNQETEDAVEFYPPRFNQTFLRWMENVHDWVISRQLWWGHQIPAWYHKETGEMYVGMEEPADSENWVQDSDVLDTWFSSALWPFSTMGWPNEASEDYQRYFPTSTLVTGYDIIFFWVSRMIFQSLEFTGERPFQNVLIHGLIRDEQGRKMSKSLGNGIDPMDVIEKYGADALRWFLSNGSAPGQDVRFSYEKMDASWNFINKIWNASRFVIMNVEGMTAADIDFSGEKTVADRWILTRLNETVARVTELFDRFEFGEAGRQLYNFIWDDFCDWYIEMSKEILYGDNEAAKQTTRSILVYTLDQILRLLHPIMPFVTEEIWEKIPHQGESLVVAEYPVVHEEFNDEAAARGMEVLKEVIRSVRNIRAEVNTPLSKPITLLIKTNDTEVEEFLTANTSYLERFCNPEELVISREIEAPELAMSAVLTGAELFLPLAGLINIEEEIARLEKELDKWTKEVKRVQGKLSNERFVSNAPDEVVEAERAKEKDYLEKQEAVKERIAQLRSI SYV_ENTFA Valine--tRNA ligase